import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
// import { getToken } from '@/utils/auth'
import authentication from '@/utils/authentication'

// import { default as Adal, AxiosAuthHttp } from 'vue-adal'
// import { AuthenticationContext } from 'vue-adal' // This will be populated with a valid context after initialization

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 500000 // request timeout
})

service.interceptors.request.use(
  config => {
    // do something before request is sent
    // authentication.acquireToken()
    if (authentication.isAuthenticated()) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      authentication.acquireToken().then(token => {
        // Set default request headers for every request
        config.headers['Authorization'] = `Bearer ${token}`
      })
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// // request interceptor
// service.interceptors.request.use(
//   config => {
//     // do something before request is sent
//     // authentication.acquireToken()
//     if (store.getters.token) {
//       // let each request carry token
//       // ['X-Token'] is a custom headers key
//       // please modify it according to the actual situation
//       // config.headers['X-Token'] = getToken()
//       // Set default request headers for every request
//       // config.headers.set('Content-Type', 'application/json');
//       // config.headers.set('Ocp-Apim-Subscription-Key', 'api key');
//       config.headers['Authorization'] = 'Bearer ' + getToken()
//     }
//     return config
//   },
//   error => {
//     // do something with request error
//     console.log(error) // for debug
//     return Promise.reject(error)
//   }
// )

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.code != 200) {
      Message({
        message: res.message || 'error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
          confirmButtonText: 'Re-Login',
          cancelButtonText: 'Cancel',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(res.message || 'error')
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
